content: /*
   * Copyright 2016-present David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.rxjava3.operators;
  
  import java.io.IOException;
  
  import org.junit.Test;
  
  import io.reactivex.rxjava3.core.Flowable;
  import io.reactivex.rxjava3.functions.Supplier;
  import io.reactivex.rxjava3.internal.functions.Functions;
  import io.reactivex.rxjava3.subscribers.TestSubscriber;
  
  public class FlowableRepeatCallableTest {
  
      @Test
      public void fastPathCrash() {
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  throw new IOException();
              }
          })
          .test()
          .assertFailure(IOException.class);
      }
  
      @Test
      public void slowPathCrash() {
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  throw new IOException();
              }
          })
          .test(5)
          .assertFailure(IOException.class);
      }
  
      @Test
      public void requestLimited() {
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  return 1;
              }
          })
          .test(5)
          .assertValues(1, 1, 1, 1, 1)
          .assertNoErrors()
          .assertNotComplete();
      }
  
      @Test
      public void take() {
          TestSubscriber<Object> ts = new TestSubscriber<Object>(2) {
              @Override
              public void onNext(Object t) {
                  super.onNext(t);
                  cancel();
                  onComplete();
              }
          };
  
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  return 1;
              }
          })
          .subscribe(ts);
  
          ts.assertResult(1);
      }
  
      @Test
      public void fused() {
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  return 1;
              }
          })
          .concatMap(Functions.justFunction(Flowable.just(2)))
          .take(5)
          .test()
          .assertResult(2, 2, 2, 2, 2);
      }
  
      @Test
      public void fastPathCrashConditional() {
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  throw new IOException();
              }
          })
          .filter(Functions.alwaysTrue())
          .test()
          .assertFailure(IOException.class);
      }
  
      @Test
      public void slowPathCrashConditional() {
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  throw new IOException();
              }
          })
          .filter(Functions.alwaysTrue())
          .test(5)
          .assertFailure(IOException.class);
      }
  
      @Test
      public void requestLimitedConditional() {
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  return 1;
              }
          })
          .filter(Functions.alwaysTrue())
          .test(5)
          .assertValues(1, 1, 1, 1, 1)
          .assertNoErrors()
          .assertNotComplete();
      }
  
      @Test
      public void takeConditional() {
          TestSubscriber<Object> ts = new TestSubscriber<Object>(2) {
              @Override
              public void onNext(Object t) {
                  super.onNext(t);
                  cancel();
                  onComplete();
              }
          };
  
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  return 1;
              }
          })
          .filter(Functions.alwaysTrue())
          .subscribe(ts);
  
          ts.assertResult(1);
      }
  
      @Test
      public void fusedConditional() {
          Flowables.repeatSupplier(new Supplier<Object>() {
              @Override
              public Object get() throws Exception {
                  return 1;
              }
          })
          .filter(Functions.alwaysTrue())
          .concatMap(Functions.justFunction(Flowable.just(2)))
          .take(5)
          .test()
          .assertResult(2, 2, 2, 2, 2);
      }
  }
  